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High severity7.8NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026

CVE-2021-30977

CVE-2021-30977

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with kernel privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Apple Inc./macOSllm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

4

News mentions

0

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